//
//  AppDelegate.swift
//  Weibo
//
//  Created by itteacher on 2017/7/22.
//  Copyright © 2017年 itteacher. All rights reserved.
//

import UIKit
import SVProgressHUD

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        
        //  设置最小消失时间
        SVProgressHUD.setMinimumDismissTimeInterval(1)
        
        //  注册切换根视图控制器的通知
        NotificationCenter.default.addObserver(self, selector: #selector(switchRootVC(noti:)), name: NSNotification.Name(rawValue: SwitchRootVCNotificationName), object: nil)
        
//        //  如果文字颜色和图片颜色一样，可以使用该代码统一设置，但是代码应该在appdelegate里面去屑，代码越早执行越好
//        UITabBar.appearance().tintColor = UIColor.orange
        //  1. 创建window
        window = UIWindow(frame: UIScreen.main.bounds)
        //  2. 创建根视图控制器
        let rootVC = HMMainViewController()
        //  3. 设置根视图控制器
        window?.rootViewController = rootVC
        //  4. 设置主窗口并显示
        window?.makeKeyAndVisible()
        
        return true
    }
    
    // MARK:  统一再次处理根视图控制器
    @objc private func switchRootVC(noti: Notification) {
        //  处理切换根视图控制器的逻辑
        let obj = noti.object
        //  is表示是否是某个类型
        if obj is HMOAuthViewController {
            // 根视图控制器设置欢迎页面
            window?.rootViewController = HMWelcomeViewController()
        } else {
            // 根视图控制器设置首页
            window?.rootViewController = HMMainViewController()
        }
    }
    
    //  移除通知
    deinit {
        NotificationCenter.default.removeObserver(self)
    }

    func applicationWillResignActive(_ application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(_ application: UIApplication) {
        //  进入后清除指定时间的缓存数据
        HMStatusDAL.clearCacheData()
    }

    func applicationWillEnterForeground(_ application: UIApplication) {
        // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(_ application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(_ application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

